Triangle and its properties

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Across
  1. 3. Angles ...... to equal sides are equal.
  2. 6. The longest side of a right angled triangle.
  3. 7. The ...... of any two sides of a triangle is greater than the third side.
  4. 8. The height of a triangle, perpendicular to its base.
  5. 10. The point of intersection of all three altitudes of a triangle.
Down
  1. 1. A triangle in which each angle equals to 60 degree.
  2. 2. A line segment joining the midpoint of a side with its opposite vertex is .....
  3. 4. A triangle cannot have more than one.........angle
  4. 5. Medians and altitudes of ......... triangle coincide with each other.
  5. 9. Sum of any two angles of a Triangle is always less than ...... right angles.